Gutex
Wood-fiber insulation for vapor-open wall, roof, floor, cavity, and retrofit assemblies.
What they're known for
A mature wood-fiber system spanning flexible batts, blown insulation, rigid sheathing, and facade boards rather than treating bio-based insulation as a single specialty product.
Gutex manufactures wood-fiber insulation for timber construction, new buildings, and retrofits. Its range includes flexible Thermoflex cavity batts, loose-fill Thermofibre, rigid roof and wall boards, and exterior insulation systems, with products designed around thermal storage, acoustic damping, vapor openness, and moisture buffering. The company publishes technical data, environmental product declarations, and third-party certifications across the system, giving designers unusually detailed documentation for a bio-based insulation family.
Performance focus
- Thermal Comfort
- Acoustics
- Low-Carbon Construction
- Healthy Materials
Notable products
We haven't catalogued their full line in the directory yet. These are the entries worth knowing.
- Catalog entry
Thermoflex
Flexible wood-fiber cavity insulation for walls, roofs, floors, and interior assemblies
- Catalog entry
Thermofibre
Blown wood-fiber insulation for closed cavities and horizontal assemblies
- Catalog entry
Multiplex-top
Vapor-open rigid wood-fiber underlay and sheathing board for roof and wall applications
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Sources
Facts verified September 2026. Compound is an independent editorial directory and is not affiliated with this company unless stated.